81053628002299 has 2 divisors, whose sum is σ = 81053628002300. Its totient is φ = 81053628002298.

The previous prime is 81053628002251. The next prime is 81053628002327. The reversal of 81053628002299 is 99220082635018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 81053628002299 - 2²⁹ = 81053091131387 is a prime.

It is a super-2 number, since 2×81053628002299² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (81053628002209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40526814001149 + 40526814001150.

It is an arithmetic number, because the mean of its divisors is an integer number (40526814001150).

Almost surely, 2^{81053628002299} is an apocalyptic number.

81053628002299 is a deficient number, since it is larger than the sum of its proper divisors (1).

81053628002299 is an equidigital number, since it uses as much as digits as its factorization.

81053628002299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 81053628002299 in words is "eighty-one trillion, fifty-three billion, six hundred twenty-eight million, two thousand, two hundred ninety-nine".